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yaml
---
r: 101075
b: refs/heads/master
c: fdf6c7a
h: refs/heads/master
i:
  101073: 4158108
  101071: 7fcea62
v: v3
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Shen Feng authored and Theodore Ts'o committed Jul 11, 2008
1 parent 326faed commit 24b9cca
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Showing 2 changed files with 21 additions and 8 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 31b481dc7c249eac0a108ec5dfc0d4aef2217e39
refs/heads/master: fdf6c7a7683c6272e953a33358920e98a4d93cf0
27 changes: 20 additions & 7 deletions trunk/fs/ext4/mballoc.c
Original file line number Diff line number Diff line change
Expand Up @@ -890,6 +890,7 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
int pnum;
int poff;
struct page *page;
int ret;

mb_debug("load group %lu\n", group);

Expand Down Expand Up @@ -921,15 +922,21 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
if (page) {
BUG_ON(page->mapping != inode->i_mapping);
if (!PageUptodate(page)) {
ext4_mb_init_cache(page, NULL);
ret = ext4_mb_init_cache(page, NULL);
if (ret) {
unlock_page(page);
goto err;
}
mb_cmp_bitmaps(e4b, page_address(page) +
(poff * sb->s_blocksize));
}
unlock_page(page);
}
}
if (page == NULL || !PageUptodate(page))
if (page == NULL || !PageUptodate(page)) {
ret = -EIO;
goto err;
}
e4b->bd_bitmap_page = page;
e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize);
mark_page_accessed(page);
Expand All @@ -945,14 +952,20 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
if (page) {
BUG_ON(page->mapping != inode->i_mapping);
if (!PageUptodate(page))
ext4_mb_init_cache(page, e4b->bd_bitmap);

if (!PageUptodate(page)) {
ret = ext4_mb_init_cache(page, e4b->bd_bitmap);
if (ret) {
unlock_page(page);
goto err;
}
}
unlock_page(page);
}
}
if (page == NULL || !PageUptodate(page))
if (page == NULL || !PageUptodate(page)) {
ret = -EIO;
goto err;
}
e4b->bd_buddy_page = page;
e4b->bd_buddy = page_address(page) + (poff * sb->s_blocksize);
mark_page_accessed(page);
Expand All @@ -969,7 +982,7 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
page_cache_release(e4b->bd_buddy_page);
e4b->bd_buddy = NULL;
e4b->bd_bitmap = NULL;
return -EIO;
return ret;
}

static void ext4_mb_release_desc(struct ext4_buddy *e4b)
Expand Down

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